APA (7th ed.) Citation

Lefton, L. A., & Valvatne, L. (1988). Mastering psychology. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Lefton, Lester A., and Laura Valvatne. Mastering Psychology. Boston: Allyn and Bacon, 1988.

MLA (9th ed.) Citation

Lefton, Lester A., and Laura Valvatne. Mastering Psychology. Allyn and Bacon, 1988.